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Performance evaluation and validation of a quad-element super-wideband fractal MIMO antenna with integrated quad-band filtering capability for advanced 5G/IoT systems. [PDF]
Sci RepSohi AK +5 more
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FFT-Based Angular Compression for CSI Feedback in Single-User Massive MIMO Systems. [PDF]
Sensors (Basel)Vico F, Urgelles H, Monserrat JF, Ge Y.
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Energy-efficient framework based on optimal antenna selection in S-NOMA supported UAV IoT networks. [PDF]
PLoS OneSoni L +3 more
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Miniaturized dual-band MIMO antenna with high gain and isolation for mm-wave applications. [PDF]
Sci RepGayathri R +3 more
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Cell-Free Massive MIMO: User-Centric Approach
IEEE Wireless Communications Letters, 2017Recently, the so-called cell-free (CF) massive MIMO architecture has been introduced, wherein a very large number of distributed access points simultaneously and jointly serve a much smaller number of mobile stations. This letter introduces a user-centric (UC) virtual cell approach to CF massive MIMO, wherein each user is served only by a limited ...
Carmen D'Andrea, Stefano Buzzi
exaly +3 more sources
Cell-Free Massive MIMO: A Survey
IEEE Communications Surveys & Tutorials, 2022Towards a fully connected intelligent digital world, 5G and beyond networks experience a new era of internet of intelligence with connected people and things. This new era brings challenging demands to the network, such as high spectral efficiency, low-latency, high-reliable communication, and high energy efficiency.
Salah Elhoushy +2 more
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2021 IEEE 32nd Annual International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), 2021
We derive formulas and algorithms to numerically calculate SINRs and max-min power controls for Cell-Free Massive MIMO in LoS channels. We consider MR (maximum-ratio), ZF (zero-forcing), and optimal linear processing for both downlink and uplink. Unlike cellular Massive MIMO, users in cell-free are statistically similar, thus dropping or rescheduling ...
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We derive formulas and algorithms to numerically calculate SINRs and max-min power controls for Cell-Free Massive MIMO in LoS channels. We consider MR (maximum-ratio), ZF (zero-forcing), and optimal linear processing for both downlink and uplink. Unlike cellular Massive MIMO, users in cell-free are statistically similar, thus dropping or rescheduling ...
openaire +1 more source
2023
Distributed multiple-input multiple-output (MIMO) systems hinge on cooperative signal processing techniques to turn interference into desired signal, thereby providing excellent levels of quality of service throughout the network. Specifically, multiple geographically distributed access points jointly and coherently serve all the users in their joint ...
Interdonato, Giovanni, Buzzi, Stefano
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Distributed multiple-input multiple-output (MIMO) systems hinge on cooperative signal processing techniques to turn interference into desired signal, thereby providing excellent levels of quality of service throughout the network. Specifically, multiple geographically distributed access points jointly and coherently serve all the users in their joint ...
Interdonato, Giovanni, Buzzi, Stefano
openaire +1 more source
Cell-Free Massive MIMO systems
2015 49th Asilomar Conference on Signals, Systems and Computers, 2015Cell-Free Massive MIMO systems comprise a large number of distributed, low cost, and low power access point antennas, connected to a network controller. The number of antennas is significantly larger than the number of users. The system is not partitioned into cells and each user is served by all access point antennas simultaneously.
Elina Nayebi +3 more
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